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TM 5-4930-234-13&P
Table 5-1. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3.
INADEQUATE (SLUGGISH) FUEL FLOW.
Step 1. Remove coupling and strainer from nozzle. Check strainer for dirt or other foreign matter.
Clean strainer by removing all dirt and foreign matter.
Step 2. While strainer is removed, inspect for any damage.
Replace strainer if damaged. Install strainer in nozzle. Install coupling and hand-tighten.
4.
FLOW HANDLE WILL NOT LOCK IN FLOW (ON) OR NO FLOW (OFF) POSITION.
Step 1. Inspect thumb latch and thumb latch spring.
Check thumb latch "ear" is not cracked, rounded or broken off. Check thumb latch spring is not broken or
missing. Replace either part if damaged.
Step 2. Inspect pinion teeth position on rack.
NOTE
This procedure can only be done during CCR Nozzle Sub-Assembly maintenance (See paragraph 5-6).
Remove snap ring, plug, washer, bushing and key from end cap. Check position of pinion teeth. As required,
move one tooth and assemble parts into end cap.
5.
PRESSURE OR FLOW LEAKS INTO MATING HALF WHEN HANDLE IS IN NO FLOW (OFF) POSITION.
Inspect pinion teeth position on rack.
NOTE
This procedure can only be done during CCR Nozzle Sub-Assembly maintenance (See paragraph 5-6).
Remove snap ring, plug, washer, bushing and key from end cap. Check position of pinion teeth. As required, move one
tooth and assemble parts into end cap.
5-2
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